mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-22 17:55:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

GH-113655: Lower the C recursion limit on various platforms (GH-113944)

Browse source
This commit is contained in:
Mark Shannon 2024-01-16 09:32:01 +00:00 • committed by GitHub
parent 6c502ba809
commit 17b73ab99e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 41 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Python/symtable.c
View file

@ -386,11 +386,6 @@ symtable_new(void)
return NULL;
}
/* Using a scaling factor means this should automatically adjust when
the recursion limit is adjusted for small or large C stack allocations.
*/
#define COMPILER_STACK_FRAME_SCALE 2
struct symtable *
_PySymtable_Build(mod_ty mod, PyObject *filename, PyFutureFeatures *future)
{
@ -417,9 +412,9 @@ _PySymtable_Build(mod_ty mod, PyObject *filename, PyFutureFeatures *future)
}
/* Be careful here to prevent overflow. */
int recursion_depth = Py_C_RECURSION_LIMIT - tstate->c_recursion_remaining;
starting_recursion_depth = recursion_depth * COMPILER_STACK_FRAME_SCALE;
starting_recursion_depth = recursion_depth;
st->recursion_depth = starting_recursion_depth;
st->recursion_limit = Py_C_RECURSION_LIMIT * COMPILER_STACK_FRAME_SCALE;
st->recursion_limit = Py_C_RECURSION_LIMIT;
/* Make the initial symbol information gathering pass */
if (!symtable_enter_block(st, &_Py_ID(top), ModuleBlock, (void *)mod, 0, 0, 0, 0)) {